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Developer Data Format Tools

Lightning-fast. Privacy-first. Free.

Upload files or paste content for professional-grade data format conversion. All processing runs entirely in your browser - no server uploads, no tracking, no limits.

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Popular Tools

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JSON Formatter

Popular

Beautify and format JSON with proper indentation for easy reading

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JSON Validator

Popular

Validate JSON syntax and catch errors before deployment

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JSON Minifier

Compress JSON by removing whitespace to reduce file size

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JSON Viewer

New

Explore and visualize nested JSON structures with interactive tree navigation

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Base64 Encoder

Encode text and data to Base64 format for safe transmission

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Base64 Decoder

Popular

Decode Base64 encoded strings back to readable text

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Binary to Text

Convert binary data to human-readable text format

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YAML to JSON

Easy Win

Convert YAML configuration files to JSON format instantly

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JSON to YAML

Easy Win

Convert JSON data to YAML format for configuration files

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JSON to CSV

Easy Win

Export JSON data as CSV for spreadsheets and databases

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CSV to JSON

Import CSV data and convert it to JSON format

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JSON to XML

Convert JSON to XML format for legacy systems and APIs

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XML to JSON

Transform XML to JSON for modern web applications

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URL Encoder

Encode URLs and query strings for safe transmission

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URL Decoder

Decode URL-encoded strings back to readable text

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Text to Binary

Convert text to binary format for encoding and storage

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Text to Hex

Convert text to hexadecimal format for low-level data processing

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Hex to Text

Convert hexadecimal strings back to readable text

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ASCII Table

Reference

Reference table for ASCII character codes and values

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JSON Diff & Compare

New

Compare two JSON objects side-by-side and highlight differences

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CSV Validator

New

Validate CSV format and check for common formatting errors

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YAML Validator

New

Validate YAML syntax and detect configuration errors

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XML Validator

New

Check XML well-formedness and validate document structure

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JSON Schema Validator

New

Validate JSON data against JSON Schema specifications

Why FormatKit?

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Privacy First

All processing happens in your browser. Your data never leaves your device.

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Lightning Fast

No server roundtrips. Instant conversions with real-time processing.

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Keyboard Shortcuts

Power user features with keyboard shortcuts. Work faster with Ctrl+Enter and more.

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File Upload Support

Drag and drop files or click to browse. Process files up to 10MB directly in your browser.

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